Rüdiger Bachmann, Christian Bayer, Christian Merkl, Stefan Seth, Heiko Stüber, Felix Wellschmied, 01 November 2017

Many establishments both hire and lay off within a short time window, resulting in ‘churn’. This column uses a newly constructed dataset to show that the rate of churn in Germany is high and can be up to 40% greater in booms compared to recessions. Both establishments that are shrinking and those that are growing hire more and lay off more in booms than in recessions.

Allan Collard-Wexler, Jan De Loecker, 03 February 2013

This paper measures the impact of the minimill, a drastic new technology for producing steel. The authors find that the sharp increase in the industry's productivity is linked to this new technology, and operates through two distinct mechanisms. First, minimills displaced the older technology, called vertically integrated production, and this reallocation of output was responsible for a third of the increase in the industry's productivity. Second, increased competition, due to the expansion of minimills, drove a substantial reallocation process within the group of vertically integrated producers, driving a resurgence in their productivity, and consequently of the industry's productivity as a whole.

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